20242123433 has 4 divisors (see below), whose sum is σ = 23133855360. Its totient is φ = 17350391508.

The previous prime is 20242123411. The next prime is 20242123439. The reversal of 20242123433 is 33432124202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 33432124202 = 2 ⋅16716062101.

It is a cyclic number.

It is not a de Polignac number, because 20242123433 - 2¹⁴ = 20242107049 is a prime.

It is a super-2 number, since 2×20242123433² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20242123439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1445865953 + ... + 1445865966.

It is an arithmetic number, because the mean of its divisors is an integer number (5783463840).

Almost surely, 2^20242123433 is an apocalyptic number.

It is an amenable number.

20242123433 is a deficient number, since it is larger than the sum of its proper divisors (2891731927).

20242123433 is an equidigital number, since it uses as much as digits as its factorization.

20242123433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2891731926.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 20242123433 its reverse (33432124202), we get a palindrome (53674247635).

The spelling of 20242123433 in words is "twenty billion, two hundred forty-two million, one hundred twenty-three thousand, four hundred thirty-three".